BD+26_2621
  • G166-54 in P.E.Nissen+,AAP, 469, 319, 2007

    • taken from 7 paper(s):

    /E.Arnone et al.(2005)/ /P.E.Nissen et al.(2007)/ /A.Hosford et al.(2009)/ /C.Charbonnel and F. Primas(2005)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.Hosford et al.(2010)/ /D.Fabbian et al.(2009)/

    E.Arnone et al.,AAP, 430, 507, 2005 (A0075,ADS)

    Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing


    Stellar Parameters

    Teff : 6150 log g : 4.0+-0.2 vturb : 1.6+-0.2

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Mg I3-2.59+-0.010.27+-0.01...-2.61+-0.010.25+-0.014.99+-0.01Mg I
    Ca I1-2.67......-2.650.213.69Ca I
    Fe I7-2.86+-0.01......-2.86+-0.01...4.64+-0.01Fe I

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A ANGLO 40000 >100 N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

    P.E.Nissen et al.,AAP, 469, 319, 2007 (A0119,ADS)

    Sulphur and zinc abundances in Galactic halo stars revisited


    Stellar Parameters

    Teff : 6407 log g : 4.28 vturb : 1.5

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    S IN/A...0.43.........S I
    FeN/A-2.58............Fe
    Zn IN/A...0.082.10...Zn I

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-06-25 N/A VLT 60000 N/A N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

    A.Hosford et al.,AAP, 493, 601, 2009 (A0169,ADS)

    Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium


    Stellar Parameters

    Teff : 6233+-107 log g : 4.49+-0.14 vturb : 1.20

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Li IN/A......2.17+-0.070-1.09+-0.0701.58+-0.0702.17+-0.070Li I
    FeN/A-2.67......-2.67...4.83Fe
    Fe I107-2.69......-2.69...4.81Fe I

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A N/A ANGLO 43000 95 N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : 254612 Right Ascension : 145200

    C.Charbonnel et al.,AAP, 442, 961, 2005 (A0191,ADS)

    The lithium content of the Galactic Halo stars


    Stellar Parameters

    Teff : 6398 log g : 4.00

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Li IN/A......2.209+0.068-0.070-1.05+0.068-0.0701.79+0.068-0.0702.209+0.068-0.070Li I
    FeN/A-2.84+-0.040......-2.84+-0.040...4.66+-0.040Fe

    Observing Log

    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : 25.56359 Right Ascension : 223.54463

    J.A.Rich et al.,ApJ, 701, 1519, 2009 (A0203,ADS)

    BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS


    Stellar Parameters

    Teff : 6266 log g : 4.5

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Be IIN/A......-0.94+-0.11-2.32+-0.110.37+-0.11-0.94+-0.11Be II
    OHN/A-1.96+-0.13......-1.78+-0.130.91+-0.136.91+-0.13OH
    FeN/A-2.69+-0.09......-2.69+-0.09...4.81+-0.09Fe

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-06-10 N/A KECKHIRES 48000 123 3600 N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : +2533 Right Ascension : 1454

    A.Hosford et al.,AAP, 511, A47, 2010 (A0226,ADS)

    Lithium abundances of halo dwarfs based on excitation temperatures II. Non-local thermodynamic equilibrium


    Stellar Parameters

    Teff : 6241 log g : 4.51 vturb : 1.2

    D.Fabbian et al.,AAP, 500, 1143, 2009 (A0266,ADS)

    The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars


    Stellar Parameters

    Teff : 6407 log g : 4.28

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    CN/A–2.36...6.03...C
    ON/A–1.75...6.91...O
    FeN/A-2.58............Fe

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2004 N/A VLT 60000 110-200 N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A